Finding the Fourth Proportional to 634,850.64, 876,091.44 and 348,375.60
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Solution
The fourth proportional to 634,850.64, 876,091.44 and 348,375.60 is: 480,756.99
Step by Step Solution
- Step 1: Write the proportion equation
634,850.64 : 876,091.44 = 348,375.60 : x - Step 2: Convert to fraction form
634,850.64/876,091.44 = 348,375.60/x - Step 3: Cross multiply
634,850.64x = 876,091.44 × 348,375.60 - Step 4: Simplify right side
634,850.64x = 305,208,881,064.86 - Step 5: Solve for x
x = 305,208,881,064.86/634,850.64 - Step 6: Final answer
x = 480,756.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.